We managed to reproduce both your mentioned issues using your sample code and documents. We will log appropriate tickets and get back to you with more details and issue ids.
I have logged the following two tickets for your issues into our database. We will look into these issues to try to figure these out soon:
NOTENET-2850 - Exception “Page manifest node is missed” when loading a document
NOTENET-2851 - Exception “Page metadata node is missed” when loading a document
Once we have an update on any of the issues, we will let you know.
We are pleased to inform you that this issue has been resolved. We will include the fix in our upcoming release (e.g. Aspose.Note for .NET v21.5). We will notify you once the fixed version is released.
The issues you have found earlier (filed as NOTENET-2851) have been fixed in this update. This message was posted using Bugs notification tool by alexei.s
We are pleased to inform you that this issue has been resolved. We will include the fix in our upcoming release (e.g. Aspose.Note for .NET 22.3). We will notify you once the fixed version is released.